<template>
  <el-form inline="true">
    <el-form-item>
      <selector
        v-model="params.difficulty"
        placeholder="请选择题目难度"
        style="width: 200px"
      ></selector>
    </el-form-item>
    <el-form-item>
      <el-input v-model="params.title" placeholder="请您输入要搜索的题目标题" />
    </el-form-item>
    <el-form-item>
      <el-button plain @Click="onSearch">搜索</el-button>
      <el-button plain type="info" @click="onReset">重置</el-button>
      <el-button plain type="primary" :icon="Plus" @click="onAddQuestion"
        >添加题目</el-button
      >
    </el-form-item>
  </el-form>
  <el-table :data="questionList">
    <el-table-column prop="questionId" width="280px" label="题目id" />
    <el-table-column prop="title" label="题目标题" />
    <el-table-column prop="difficulty" label="题目难度" width="140px">
      <template #default="{ row }">
        <div v-if="row.difficulty === 1" style="color: #3ec8ff">简单</div>
        <div v-if="row.difficulty === 2" style="color: #fe7909">中等</div>
        <div v-if="row.difficulty === 3" style="color: #fd4c40">困难</div>
      </template>
    </el-table-column>
    <el-table-column prop="createName" label="创建人" width="140px" />
    <el-table-column prop="createTime" label="创建时间" width="280px" />
    <el-table-column label="操作" width="140px" fixed="right">
      <template #default="{ row }">
        <el-button type="text" @click="onEdit(row.questionId)">编辑 </el-button>
        <el-button type="text" class="red" @click="onDelete(row.questionId)"
          >删除
        </el-button>
      </template>
    </el-table-column>
  </el-table>
  <el-pagination
    background
    size="small"
    layout="total, sizes, prev, pager, next, jumper"
    :total="total"
    v-model:current-page="params.pageNum"
    v-model:page-size="params.pageSize"
    :page-sizes="[1, 3, 5, 10, 15, 20]"
    @size-change="handleSizeChange"
    @current-change="handleCurrentChange"
  />

  <question-drawer
    ref="questionDrawerRef"
    @success="onSuccess"
  ></question-drawer>
</template>

<script setup>
import { Plus } from "@element-plus/icons-vue";
import Selector from "@/components/QuestionSelector.vue";
import {
  delQuestionService,
  getQuestionDetailService,
  getQuestionListService,
} from "@/apis/question";
import { reactive, ref } from "vue";
import QuestionDrawer from "@/components/QuestionDrawer.vue";

const params = reactive({
  pageNum: 1,
  pageSize: 10,
  difficulty: "",
  title: "",
});

const total = ref(0);
const questionList = ref([]);

async function getQuestionList() {
  const result = await getQuestionListService(params);
  questionList.value = result.rows;
  total.value = result.total;
  console.log(questionList.value);
  console.log(result);
}
getQuestionList(); //获取列表数据

//切换每页的大小
function handleSizeChange(newSize) {
  // params.pageSize = newSize;
  params.pageNum = 1;
  getQuestionList();
}

//切换页码
function handleCurrentChange(newPage) {
  // params.pageNum = newPage;
  getQuestionList();
}

//点击搜索
function onSearch() {
  params.pageNum = 1;
  getQuestionList();
}

//重置搜索条件
function onReset() {
  params.title = "";
  params.difficulty = "";
  params.pageNum = 1;
  params.pageSize = 10;
  getQuestionList();
}

const questionDrawerRef = ref();
//打开抽屉
function onAddQuestion() {
  questionDrawerRef.value.open();
}

//添加题目成功后，重新请求题目列表
function onSuccess(service) {
  if (service === "add") {
    params.pageNum = 1;
  }
  getQuestionList();
}

//编辑题目
async function onEdit(questionId) {
  questionDrawerRef.value.open(questionId);
  console.log(questionId);
}

//删除题目
async function onDelete(questionId){
  console.log(questionId)
  await delQuestionService(questionId)
  params.pageNum = 1
  ElMessage.success("删除成功");
  getQuestionList()
}









</script>
